SOPRA XPS-30 4 in. x 24 in. x 96 in. Shiplap Four-Edge Extruded Polystyrene Rigid Insulation is a thermal insulation board made of rigid extruded polystyrene with shiplap edges on its four sides. It is composed of closed cell foam. It is mainly used as a thermal insulation for SOPREMA foundation walls systems and under concrete slabs where the applied loads do not exceed 30 psi. Compliant with CAN/ULC S701.1 Type 4.
